A coaxial cable connector configured to be mounted to an externally threaded connector, comprising a nut portion having an inner thread configured to engage with an outer thread of said externally threaded connector, an inner-sleeve portion coaxially arranged with said nut and a first sleeve coaxially arranged with said nut, wherein said first sleeve comprises an inner flange radially on an outer wall of said inner-sleeve portion, characterized in that: when said nut is rotated relatively to said first sleeve, said inner-sleeve portion is rotated relatively to said first sleeve.